. >> a vital, breathing, growing city, making a city safer. >> reporter: he bris led when asked if his successes were from the former mayor. >> you are wrong, okay? you are plain wrong. >> reporter: they came over to challenge the reporter, aaron wiener. >> that's what they did. a lot of ground breaking with little in the pipeline. there's no funding for it. >> reporter: when gray said he was running on his record, the federal criminal probe into his 2010 campaign. >> have you cooperated? >> mike, i want to talk about the future of the city, okay. i want to talk about the future of the district of columbia. i am a native washingtonian and have given my life to this city. >> reporter: reporters followed him out the door. >> the washington redskins game? i'm done, all right. i'm done. >> it's a clear campaign tactic to rebuff reporters asking questions, but unclear how it will play when voters ask the same questions. we expect them to do so during the campaign. >> feisty tone. >> the mayor usually lets us ride up in the elevator and jokes with us. much more tense. i was surprised. >>> we